Here is a great article with picture that explanis how the build environment affects walk-ability and desirability.
https://bettercities.net/news-opinion/blogs/steve-mouzon/18645/walk-appeal
Walk Appeal promises to be a major new tool for understanding and building walkable places, and it explains several things that were heretofore either contradictory or mysterious. It begins with the assertion that the quarter-mile radius (or 5-minute walk,) which has been held up for a century as the distance Americans will walk before driving, is actually a myth.
When people walk more, property values and economic activity go up while obesity and healthcare costs go down.